Engine Diagnostic Assessment (1-Hour / 2-Hour Options)

Our diagnostic assessment service is designed to identify faults, performance issues, or underlying mechanical concerns using manufacturer-approved diagnostic equipment and professional inspection procedures.

This service is suitable for vehicles experiencing warning lights, drivability issues, performance concerns, or requiring fault investigation following a reported issue.

What’s included (both options):

Full ECU fault code scan and report
Live data analysis (engine parameters, temperatures, fuelling, boost where applicable)
Visual inspection of key engine components
Review of vehicle modification and service history (where provided)
Professional findings summary and recommendations

1-Hour Diagnostic Assessment

Ideal for initial fault finding and standard diagnostics.

Includes:

Single system or symptom investigation
Fault code identification and live data review
Initial diagnostic conclusion

Best suited for warning lights, basic running issues, or first-stage investigation.

2-Hour Diagnostic Assessment

Recommended for more complex issues or ongoing faults.

Includes:

Extended live data analysis
Multi-system diagnostics
Deeper investigation into engine performance, temperature, and fuelling data
Further testing and validation where possible within time allowance

Best suited for intermittent faults, performance concerns, or when further investigation is required.

Please note:
Diagnostic time covers investigation only. No repairs, part replacement, or strip-down work is included unless agreed separately. Findings are based on the vehicle condition at the time of inspection.

Mk4/4.5 Focus ST - HQ Fitted

Iridium Spark Plug Set [Mk3 / Mk4 Focus ST]

Scheduled Service [Mk4 Focus ST] - Fully Fitted

Scheduled Service - Air con re-gas [All models] - Fully Fitted

Brake Fluid Change - Fully Fitted

Engine Diagnostic - HQ Only